Page:Illustrated Astronomy.pdf/98



At the same time, but irresponsibly, is has been suggested to use CD, X-ray photographies, smoked glasses, sunglasses, polarized glasses, the old diskettes inner disk, ribbon cassettes, aluminum foil, among others. The truth is that none of these elements are suitable to watch direct and safely the Sun since the amount of light passing through them can damage the sight beyond repair.

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